first commit

src/components/Header.tsx

@@ -0,0 +1,19 @@
+import React from 'react'
+
+export const Header: React.FC = () => {
+  return (
+    <header className="bg-white border-b border-gray-200 sticky top-0 z-10">
+      <div className="container mx-auto px-4 py-4">
+        <div className="flex items-center justify-between">
+          <h1 className="text-2xl font-bold text-gray-900">
+            TenantCMS <span className="text-blue-600">Demo</span>
+          </h1>
+          <nav className="flex items-center gap-4">
+            <a href="/" className="text-gray-600 hover:text-gray-900">首页</a>
+            <a href="/categories" className="text-gray-600 hover:text-gray-900">分类</a>
+          </nav>
+        </div>
+      </div>
+    </header>
+  )
+}